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HVAC and Plumbing Company Serving Palm Beach County, FL

24/7 Call 561-863-4803
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THE FIRST AND LAST NAME IN AIR CONDITIONING

Residential Air Conditioning and Plumber Services Near Palm Beach, FL

Hvac Unit Getting Maintenance

Air Conditioning Repair

In a place like Florida, it’s important to call an HVAC contractor at the first signs of trouble with your air conditioner. For fast, reliable AC repairs, simply call John C. Cassidy for 24/7 service!
John C Cassidy Talking With Client

New AC Installation

As a licensed air conditioning contractor in Florida, our team provides AC replacement & installation services on central air systems, heat pumps, and ductless units. Call for a free quote! 
Technician With Waterheater

Water Heater Repair

When the hot water goes out, you need a plumber fast. Connect with John C. Cassidy when your water heater breaks for comprehensive services on both tank and tankless systems.
Technician Working On Toilet

Plumbing Repairs

We offer a broad range of plumbing repair services, from faucet, shower, and toilet repairs to water leak detection and repair. Our plumbers are also available 24/7 in the event of a plumbing emergency.

Available 24/7 at 561-863-4803

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since-1960-ribbon The Cassidy Way

Excellence In Home Comfort For Over Six Decades

John C. Cassidy Air Conditioning & Plumbing is Palm Beach County’s premier provider of residential and commercial air conditioning and plumbing services. Since we opened our doors in 1960, we have dedicated our time and effort to providing the best comfort services in the area. That tradition continues today in every job we do, from start to finish. 

Our History
Your Satisfaction Guaranteed

We Treat Your Home Like It's Our Own

As a family-owned and operated business., we are 100% committed to delivering quality services at affordable rates. We do not leave until the job is done. Whether you need routine maintenance, a new system installation, or around-the-clock emergency services, our specially-trained technicians will make sure all of your needs are met. It's just the way we work - The Cassidy Way.

Our Customers Say It Best

Read Our Reviews

Betty Rafter
Betty Rafter
23:42 07 Feb 25
The A/C went out late afternoon today on home we just turned over to new buyer yesterday…Having the air conditioning company we use no longer in business, we called John Cassidy A/Cond & Plumbing Company, that my husband, the former Chief Mech Inspector for City of W Palm Beach, knew to be a Co with skilled employees. They responded within two hours, immediately diagnosed problem, replaced a capacitor, and made a happy new owner. We are grateful for Cassidy’s great service and skill and highly recommend this company.Betty Rafter, WPB
richard kenderian
richard kenderian
14:23 07 Feb 25
Expensive, but you get what you pay for.
Jamaal Cooper
Jamaal Cooper
00:15 07 Feb 25
Great job!! The Tech, Angel Class was knowledgeable and professional solving an AC electrical problem that I have been dealing with for months. Thanks!
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